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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-02-09 23:21:32 +0300 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-03-15 15:23:29 +0300 |
| commit | 128d1f8241d62ab014eef6dd4ef9bb977dbeadb2 (patch) | |
| tree | 993afed4947fda2a865573f47a7d19c4022519f6 /mm/truncate.c | |
| parent | 020df9baeac50ed911501e1950de9ddab58652b6 (diff) | |
| download | linux-128d1f8241d62ab014eef6dd4ef9bb977dbeadb2.tar.xz | |
fs: Add invalidate_folio() aops method
This is used in preference to invalidatepage, if defined.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: Mike Marshall <hubcap@omnibond.com> # orangefs
Tested-by: David Howells <dhowells@redhat.com> # afs
Diffstat (limited to 'mm/truncate.c')
| -rw-r--r-- | mm/truncate.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/mm/truncate.c b/mm/truncate.c index aa0ed373789d..b9ad298e6ce7 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -154,9 +154,15 @@ static int invalidate_exceptional_entry2(struct address_space *mapping, */ void folio_invalidate(struct folio *folio, size_t offset, size_t length) { + const struct address_space_operations *aops = folio->mapping->a_ops; void (*invalidatepage)(struct page *, unsigned int, unsigned int); - invalidatepage = folio->mapping->a_ops->invalidatepage; + if (aops->invalidate_folio) { + aops->invalidate_folio(folio, offset, length); + return; + } + + invalidatepage = aops->invalidatepage; #ifdef CONFIG_BLOCK if (!invalidatepage) invalidatepage = block_invalidatepage; |